Lights for decorating your window ?

I will be staying at All Star Sports and I will be decorating my window. I bought a set a lights to put up the strand is 8ft long will this be long enough ?. Also want to know if I should bring an extension cord, any info would be appreciated Tanks.

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I brought an extension cord when we stayed at POR last christmas, and I think I bought suction cup hooks at Walmart to attach them to the window. Not sure how big the windows at Sports are but I think 8 feet will do.